<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style type="text/css">
        div {
            width: 100px;
            white-space: nowrap;
            text-overflow: ellipsis;
            overflow: hidden;
        }
    </style>
</head>
<body>
    <div>这是一段测试css截字的内容！</div>
</body>
</html>